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Restructuring - Summary of Restructuring Cost by Type (Detail) - USD ($) | 3 Months Ended | 12 Months Ended
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Jan. 31, 2024 | Jan. 31, 2024
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges |  | $ 2,651,000
Change in Estimates | $ 75,000 | (75,000)
Restructuring Costs |  | 2,576,000
Inventory Write-Off [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges |  | 1,991,000
Restructuring Costs |  | 1,991,000
Severance and Employee Related Costs [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges |  | 611,000
Change in Estimates |  | (75,000)
Restructuring Costs |  | 536,000
Facility Exit and Other Restructuring Costs [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges |  | 49,000
Restructuring Costs |  | $ 49,000

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482047/420-10-45-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-1 + Details
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